diff --git a/csharp/App.config b/csharp/App.config
index 88fa4027..5ab1a356 100644
--- a/csharp/App.config
+++ b/csharp/App.config
@@ -1,6 +1,6 @@
-<?xml version="1.0" encoding="utf-8" ?>
+<?xml version="1.0" encoding="utf-8"?>
 <configuration>
     <startup> 
-        <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.5.2" />
+        <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.8.1"/>
     </startup>
-</configuration>
\ No newline at end of file
+</configuration>
diff --git a/csharp/csharp.csproj b/csharp/csharp.csproj
index 58213647..58a60f4b 100644
--- a/csharp/csharp.csproj
+++ b/csharp/csharp.csproj
@@ -10,11 +10,12 @@
     <AppDesignerFolder>Properties</AppDesignerFolder>
     <RootNamespace>csharp</RootNamespace>
     <AssemblyName>csharp</AssemblyName>
-    <TargetFrameworkVersion>v4.5.2</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.8.1</TargetFrameworkVersion>
     <FileAlignment>512</FileAlignment>
     <AutoGenerateBindingRedirects>true</AutoGenerateBindingRedirects>
     <NuGetPackageImportStamp>
     </NuGetPackageImportStamp>
+    <TargetFrameworkProfile />
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
     <PlatformTarget>AnyCPU</PlatformTarget>